IMAGE PROCESSING LAB3 3/3/20

/*
  ------------------------------------------------------------
  ANSI C IMAGE PROCESSING TEMPLATE USING DIP LIBRARY
  by D.K. Iakovidis
  ------------------------------------------------------------
*/

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "dip.h"

unsigned char **processImage(unsigned char **inputImage, int rows, int columns);

int main(void)
{
     unsigned char *inputFilename = "image268x324.raw",
                   *outputFilename = "image268x324out.raw";
     int rows = 324,
         columns = 268;

     unsigned char **inputImage, **outputImage;

     inputImage = allocateImage(rows, columns);

     inputImage = loadImage(inputFilename, rows, columns);
     outputImage = processImage(inputImage, rows, columns);
     saveImage(outputFilename, outputImage, rows, columns);
     deallocateImage(inputImage, rows);
     deallocateImage(outputImage, rows);

     return 0;
}


unsigned char **processImage(unsigned char **inputImage, int rows, int columns)
{   double kernel[rows][columns];
    double max=0.0,min=255.0;
     int i,j;
     unsigned char **outputImage = allocateImage(rows, columns);

     for (i = 0; i < rows; i++)
     {
         for (j = 0; j < columns; j++)
         {
            kernel[i][j] = rand()%256 +inputImage[i][j];
            if(max<kernel[i][j])max=kernel[i][j];
            if(min>kernel[i][j])min=kernel[i][j];
         }
     }
     for (i = 0; i < rows; i++)
     {
         for (j = 0; j < columns; j++)
         {
            kernel[i][j] =  (kernel[i][j]-min)/(max-min);
            outputImage[i][j]=(unsigned char)(255*kernel[i][j]) ;

         }
     }

     return outputImage;
}